Mass and Volume (Part 2)

What You'll Learn

Distillation separates mixtures based on different boiling points. Heating salt water causes water to evaporate and condense, leaving salt behind and producing fresh water.

Key Words

freezing point
gas

Materials Needed

paper towels
thermometer
strainer
ice cubes

Safety First

Adult supervision recommended.
Do not taste any materials.

Steps

Step 1 — Read

Read and learn: Distillation separates mixtures based on different boiling points. Heating salt water causes water to evaporate and condense, leaving salt behind and producing fresh water.

Step 2 — Do

Create a labeled diagram of what you built or observed.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal.

Check Your Understanding

Question 1

1 of 3

What holds atoms together in a molecule?